Mysql 5.6: Are these calculations for innodb_buffer_pool_size and instances correct?
Posted by: Cesar Murilo Cesar
Date: November 01, 2020 06:01AM

“When the size of the buffer pool is greater than 1 GB, setting innodb_buffer_pool_instances to a value greater than 1 can improve scalability on a busy server. (...) If innodb_buffer_pool_size is greater than 1.3 GB, the default for innodb_buffer_pool_instances is innodb_buffer_pool_size / 128 MB (...) On a dedicated database server, you can define the size of the buffer pool - (innodb_buffer_pool_size) - for 80% of the machine's physical memory size. ” source:

So if my Zabbix Server, a Slackware 14.2, has 16GB of RAM, it would have 12.8GB of innodb_buffer_pool_size and 100 innodb_buffer_pool_instances, correct?

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